| Grenchen to Lastra a Signa | 296.84 mi (477.72 km) |
| Grenchen to Laterza | 650.55 mi (1,046.96 km) |
| Grenchen to Latiano | 688.79 mi (1,108.51 km) |
| Grenchen to Latina | 479.80 mi (772.16 km) |
| Grenchen to Latisana | 288.89 mi (464.93 km) |
| Grenchen to Lauria Inferiore | 648.45 mi (1,043.58 km) |
| Grenchen to Lavagna | 219.41 mi (353.10 km) |
| Grenchen to Lavello | 594.11 mi (956.12 km) |
| Grenchen to Laveno-Mombello | 105.95 mi (170.50 km) |
| Grenchen to Lavis | 190.91 mi (307.25 km) |
| Grenchen to Lecce | 714.46 mi (1,149.82 km) |
| Grenchen to Lecco | 132.86 mi (213.81 km) |
| Grenchen to Legnago | 232.58 mi (374.31 km) |
| Grenchen to Legnano | 132.94 mi (213.94 km) |
| Grenchen to Legnaro | 252.57 mi (406.47 km) |
